Mount de Sales Academy is a Catholic, all-girls, college preparatory high school administered by the Dominican Sisters of the St. Cecilia Congregation.
Mount de Sales Academy embodies the rich heritage of Catholic education for women in a framework of educational excellence and timeless Catholic tradition.
While fostering a genuine understanding of the Catholic faith, our educational program is designed to prepare young women for entrance into a selective college and for meeting the challenges of life.
The love of God impels the Trustees and Administration of Mount de Sales Academy to contribute to the advancement of the Kingdom of Christ on earth by providing a quality education for young women in the spirit of St. Francis de Sales.
The educational process and content will be, as in generations past, undergirded daily by the teaching and practice of the faith passed on by the Apostles and promulgated by the Catholic Church.
The curriculum will be primarily academic in nature, emphasizing the liberal arts as a tested way of preparing students both for further studies and for the challenges of life.
Quick Stats (2025)
- Top Ranked MD School
- Grades: 9-12
- Enrollment: 455 students
- Yearly Tuition: $18,375
- Acceptance rate: 100%
- Average class size: 16 students
- Application Deadline: Dec. 20 / rolling
- Source: Verified school update
Top Rankings
Mount de Sales Academy ranks among the top 20% of private schools in Maryland for:
Category
Attribute
Student Body
Sports offered
School History
School Overview
School Membership(s)School Assoc.
Religious Affiliation
Grades Offered
Grades 9-12
ADD/ADHD Support
Yes
Learning Difference Programs
Yes
Learning Programs Supported
Mild Learning Differences
Year Founded
1852
School Calendar
First Day of School
Sat. Aug 30, 2025
School Mascot
Sailor
Student Body
Total Students
455 students
Student Body Type
% Students of Color
3%
State avg.: 37%
Students by Grade

Academics and Faculty
Total Classroom Teachers
47 teachers
Student : Teacher Ratio
10:1
National avg.: 13:1
Average Class Size
16 students
Number of AP Courses
13 courses
List of Courses Offered
Matriculation DataMatric. Data
Classroom Dress Code
Formal
Uniform
School Colors
White, Blue
Tuition and Acceptance Rate
Admission Deadline
Dec. 20 / rolling
Yearly Tuition Cost
$18,375
Average Financial Aid Grant
$3,000
Acceptance Rate
100%
National avg.: 81%
Admissions Director
Mattie Wood
Admissions Associate
Jen Blake
Sports
Total Sports Offered
12 sports
School Notes
- Mount de Sales Academy is a Catholic, all-girls, college preparatory high school administered by the Dominican Sisters of the St. Cecilia Congregation.
- Mount de Sales Academy embodies the rich heritage of Catholic education for women in a framework of educational excellence and timeless Catholic tradition.
- While fostering a genuine understanding of the Catholic faith, our educational program is designed to prepare young women for entrance into a selective college and for meeting the challenges of life.
- The love of God impels the Trustees and Administration of Mount de Sales Academy to contribute to the advancement of the Kingdom of Christ on earth by providing a quality education for young women in the spirit of St. Francis de Sales.
- The educational process and content will be, as in generations past, undergirded daily by the teaching and practice of the faith passed on by the Apostles and promulgated by the Catholic Church.
- The curriculum will be primarily academic in nature, emphasizing the liberal arts as a tested way of preparing students both for further studies and for the challenges of life.
- Sample of notable school alumni/alumnae:
- Audrey Powers '94 - Audrey Powers, vice president of mission and flight operation at Blue Origin, along with actor William Shatner and two crewmates, soared into space today on board Blue Origin’s New Shepard NS-18 on October 13, 2021.
- Brigid Kemmerer '96 - Brigid Kemmerer is the New York Times bestselling author of young adult fiction, including Defy the Night, A Curse So Dark and Lonely, and Letters to the Lost.
- Isabella Whittaker '20 - Member of the 2024 United States Track and Field Olympic Team.
- Juliette Whittaker '22 - Member of the 2024 United States Track and Field Olympic Team.
Source: Verified school update
Frequently Asked Questions
How much does Mount de Sales Academy cost?
Mount de Sales Academy's tuition is approximately $18,375 for private students.
What is the acceptance rate of Mount de Sales Academy?
The acceptance rate of Mount de Sales Academy is 100%, which is higher than the national average of 78%.
Who are famous alumni from Mount de Sales Academy?
Mount de Sales Academy famous alumni include: Audrey Powers '94, Brigid Kemmerer '96, Isabella Whittaker '20 and Juliette Whittaker '22.
What sports does Mount de Sales Academy offer?
Mount de Sales Academy offers 12 interscholastic sports: Basketball, Cheering, Cross Country, Field Hockey, Golf, Lacrosse, Mountain Biking, Soccer, Tennis, Track and Field, Volleyball and Winter Track. Mount de Sales Academy is ranked as one of the top 20% of private schools in Maryland for most sports offered.
What is Mount de Sales Academy's ranking?
Mount de Sales Academy ranks among the top 20% of private schools in Maryland for: Largest student body, Most sports offered and Oldest founding date.
When is the application deadline for Mount de Sales Academy?
The application deadline for Mount de Sales Academy is Dec. 20 / rolling (applications are due on Dec. 20 but additional applications are reviewed year-round as space permits ).
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